CN213775455U - Flexible buffering quick-sealing air bag for coal mine underground catastrophe area - Google Patents

Flexible buffering quick-sealing air bag for coal mine underground catastrophe area Download PDF

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Publication number
CN213775455U
CN213775455U CN202022788254.8U CN202022788254U CN213775455U CN 213775455 U CN213775455 U CN 213775455U CN 202022788254 U CN202022788254 U CN 202022788254U CN 213775455 U CN213775455 U CN 213775455U
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China
Prior art keywords
air bag
monomer
gasbag
single air
coal mine
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Expired - Fee Related
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CN202022788254.8U
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Chinese (zh)
Inventor
马砺
刘尚明
王洪权
王旭
薛梦华
唐耀勇
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Xian University of Science and Technology
Yanzhou Coal Mining Co Ltd
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Xian University of Science and Technology
Yanzhou Coal Mining Co Ltd
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Priority to CN202022788254.8U priority Critical patent/CN213775455U/en
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Abstract

The utility model discloses a colliery is quick airtight gasbag of regional flexible buffering of calamity in pit, including a plurality of monomer gasbags, carry out fastening connection through stop gear between two adjacent monomer gasbags, stop gear all includes two spacing areas, two spacing areas among the stop gear are laid respectively in the both sides of monomer gasbag, the monomer gasbag at tunnel top and the monomer gasbag of tunnel bottom both sides all carry out fastening connection through anchor assembly and tunnel inner wall, be provided with the inflation mouth on the monomer gasbag, all be connected through the ventilation valve between monomer gasbag and rather than adjacent monomer gasbag, be connected with aerating device on the monomer gasbag of tunnel bottom. The utility model has the advantages of reasonable design, it is airtight to carry out the tunnel through connecting a plurality of monomer gasbags, and then play the purpose of keeping apart the cataclysm region, can have a cushioning effect to the explosion shock wave, weaken the energy of shock wave, the reliability is high, very big manpower and rescue time of having saved have ensured personnel's life safety.

Description

Flexible buffering quick-sealing air bag for coal mine underground catastrophe area
Technical Field
The utility model belongs to the technical field of the regional quick airtight of catastrophe, concretely relates to colliery is regional flexible buffering quick airtight gasbag in calamity in pit.
Background
In the production process of coal mines, mine fire disasters are one of main disasters of the coal mines, and once the coal spontaneous combustion occurs in the coal mines, a large amount of casualties and property loss can be caused. In the process of coal mine fire disaster relief, roadway sealing is a common emergency treatment measure at present. The roadway is sealed, air flow and heat exchange inside and outside the tunnel are blocked, the disaster area is isolated, the disaster relief work is ensured to be carried out smoothly, and casualties and property loss caused by disasters are reduced. The existing roadway sealing modes in China mainly comprise sealing walls, sealing doors, sealing airbags and the like, wherein the construction process of the sealing walls and the sealing doors is complicated, the arrangement time is long, and the underground rapid sealing requirement is not met. In addition, the existing air bag sealing has the problems of heavy weight, poor stability, weak impact resistance and the like of the air bag, and cannot effectively seal a fire area. Therefore, a sealed air bag which can adapt to the sealing of the underground roadway and has certain impact resistance needs to be provided, the problems existing in the sealing of the existing roadway are solved, efficient and reliable rescue equipment is provided for mine rescue, and the smooth proceeding of the mine rescue is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a colliery is quick airtight gasbag of regional flexible buffering of catastrophe in pit, its structural design is reasonable, it is airtight to the tunnel through connecting a plurality of monomer gasbags, and then play the purpose of keeping apart the catastrophe region, can have a cushioning effect to the blast shock wave, weaken the energy of blast wave, the reliability is high, very big manpower and rescue time have been saved, personnel's life safety has been ensured.
In order to solve the technical problem, the utility model discloses a technical scheme is: a flexible buffer quick sealing air bag for a coal mine underground cataclysm area is characterized in that: including a plurality of after aerifing mutual extrusion closely knit monomer gasbag, it is a plurality of the monomer gasbag is laid on same section in the tunnel, adjacent two all carry out fastening connection through stop gear between the monomer gasbag, stop gear all includes two spacing areas, two spacing areas among the stop gear are laid respectively in the both sides of monomer gasbag, the monomer gasbag at tunnel top with the monomer gasbag of tunnel bottom both sides all carries out fastening connection through anchor assembly and tunnel inner wall, be provided with the inflation and deflation port on the monomer gasbag, all connect through the air valve between monomer gasbag and rather than adjacent monomer gasbag, be connected with aerating device on the monomer gasbag of tunnel bottom.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: the single air bag is symmetrically provided with two pull rings for connecting the limiting belts, and the two pull rings are arranged in a central symmetry manner relative to the center of the single air bag.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: the limiting belt is an elastic belt, and two ends of the limiting belt are respectively connected with a connecting hook.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: the anchoring piece and the single air bag are connected through a limiting belt.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: one end of the anchoring piece is anchored on the inner wall of the roadway, and the other end of the anchoring piece is provided with a connecting ring for connecting the limiting belt.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: the inflation device comprises an inflation pipeline and a high-pressure gas bottle, one end of the inflation pipeline is connected to the inflation and deflation port, and the other end of the inflation pipeline is connected to the high-pressure gas bottle.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: and a gas pressure gauge and an electromagnetic valve are arranged on the gas charging pipeline.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: the single air bags are provided with adhesive strips, and the two close single air bags are adhered into a whole through the adhesive strips.
The flexible buffer quick sealing air bag for the coal mine underground catastrophe area is characterized in that: and the vent valves which are not connected with other monomer air bags on the monomer air bags are provided with plugging flange plates.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a couple together a plurality of monomer gasbags and carry out inclosed to the tunnel, and then play the purpose of keeping apart the cataclysm region, aerify to a plurality of gasbag extensions by single gasbag during aerifing, the inflation time is short, efficient, very big manpower and rescue time of having saved is favorable to the rescue personnel to the regional quick control of cataclysm more, has ensured personnel's life safety.
2. The utility model discloses a spacing area carries out the drawknot with a plurality of monomer gasbags and fixes, makes a plurality of monomer gasbags form a whole, makes whole airtight gasbag have certain elastic deformation space simultaneously, and then can have a cushioning effect to the blast shock wave, weakens the energy of blast shock wave, can effectively improve this airtight gasbag's impact resistance.
3. The utility model discloses an anchor assembly fastens the monomer gasbag and the tunnel inner wall of edge department and is connected, can realize the fixed to this airtight gasbag, avoids airtight gasbag to take place to shift under the impact.
To sum up, the utility model has the advantages of reasonable design, it is airtight to carry out the tunnel through connecting a plurality of monomer gasbags, and then play the purpose of keeping apart the cataclysm region, can have a cushioning effect to the explosion shock wave, weaken the energy of shock wave, the reliability is high, very big manpower and rescue time of having saved have ensured personnel's life safety.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the utility model after inflation.
Fig. 3 is a schematic structural diagram of the single airbag of the present invention.
Fig. 4 is a schematic view of the connection structure of the limit band and the connection hook of the present invention.
Fig. 5 is a schematic view of the connection structure of the anchoring member and the connection ring according to the present invention.
Fig. 6 is a schematic structural view of the inflator of the present invention.
Description of reference numerals:
1-a monomer airbag; 2, a limiting belt; 3-air charge and discharge port;
4-a vent valve; 5, pulling a ring; 6, connecting hooks;
7-anchoring elements; 8, connecting rings; 9-an inflation pipeline;
10-high pressure gas cylinder; 11-gas gauge; 12-an electromagnetic valve;
13-adhesive strip.
Detailed Description
As shown in fig. 1 to fig. 6, the utility model discloses a plurality of after aerifing each other extrude closely knit monomer gasbag 1, it is a plurality of monomer gasbag 1 lays on same section in the tunnel, adjacent two all fasten the connection through stop gear between the monomer gasbag 1, stop gear all includes two spacing areas 2, two spacing areas 2 in the stop gear lay respectively in the both sides of monomer gasbag 1, the monomer gasbag 1 at tunnel top with the monomer gasbag 1 of tunnel bottom both sides all fastens the connection through anchor assembly 7 and tunnel inner wall, be provided with inflation opening 3 on the monomer gasbag 1, all be connected through vent valve 4 between monomer gasbag 1 and rather than adjacent monomer gasbag 1, be connected with aerating device on the monomer gasbag 1 of tunnel bottom.
In practical use, the single airbag 1 is preferably of a spherical structure, the single airbag 1 is generally divided into three specifications of 1m, 2m and 3m in diameter, and the single airbag 1 is made of a modified pvc coating material, so that the single airbag has the advantages of light weight, high strength, good air tightness, wear resistance and high temperature resistance, is convenient to transport the closed airbag from a well to a closed position, and has high reliability.
It should be noted that the roadway is sealed by connecting the single airbags 1, so that the purpose of isolating the catastrophe area is achieved, a single airbag expands to inflate the multiple airbags during inflation, inflation time is short, efficiency is high, manpower and rescue time are greatly saved, rescue workers can quickly control the catastrophe area, and life safety of the workers is guaranteed.
In specific implementation, the limiting belt 2 is formed by weaving Kevlar fibers and elastic strips, and has the properties of high strength, high temperature resistance, micro elasticity and the like.
During the in-service use, carry out the drawknot with a plurality of monomer gasbags 1 through spacing area 2 and fix, make a plurality of monomer gasbags 1 form a whole, and then can have a cushioning effect to the explosion shock wave, weaken the energy of shock wave, can effectively improve this airtight gasbag's shock resistance.
It should be noted that the vent valve 4 adopts a flange structure, is provided with a loose joint nut, is internally provided with an automatic valve, is opened by pulling force, is opened by expansion pressure to inflate the second air bag after the first air bag is filled with air, is in a normally open state in the inflated state, and is closed only after the first air bag leaks air; through vent valve 4 with two adjacent monomer gasbag 1 zonulae occludens, take place to damage its vent valve 4 of air leakage back and can self-closing when certain monomer gasbag 1 in whole gasbag, guarantee that other monomer gasbags 1 do not receive the damage.
During concrete implementation, two monomer gasbags 1 that are located tunnel both sides bottom respectively and one or two monomer gasbags 1 that are located the tunnel top between all through anchor assembly 7 and tunnel fastening connection, carry out fastening connection with the monomer gasbag 1 and the tunnel inner wall of corner department through anchor assembly 7, can realize the fixed to this airtight gasbag, avoid airtight gasbag to take place to shift under the impact.
During specific implementation, it is a plurality of monomer gasbag 1 divides the multirow to arrange in the tunnel, all is connected with two spacing areas 2 between two adjacent monomer gasbags 1 from top to bottom and between two adjacent monomer gasbags 1 about and, because the top in tunnel is the arch, consequently the quantity of the monomer gasbag 1 of the upmost row is less, is located a monomer gasbag 1 of the upmost row or is located two monomer gasbags 1 of the upmost row both sides and is connected with two spacing areas 2 between the monomer gasbag 1 of its oblique below.
As shown in fig. 2, in actual use, after each single air bag 1 is full of air, most areas of the roadway section can be plugged, and then a large amount of air is blocked, but a certain gap also exists between the closed air bag and the roadway inner wall, and a fireproof material can be sprayed for further plugging and spraying.
When in actual use, during inflation, one single air bag 1 is connected with an inflation device, and the inflation and deflation ports 3 on the other single air bags 1 are all closed; in order to improve the inflation efficiency, the inflation devices can be connected to the single airbags 1 at the same time; when the air needs to be discharged, the air discharge ports 3 on all the single air bags 1 are opened to discharge air, and the air discharge efficiency is high.
As shown in fig. 3, in this embodiment, two pull rings 5 for connecting the position-limiting strap 2 are symmetrically arranged on the single airbag 1, and the two pull rings 5 are arranged in a central symmetry manner with respect to the center of the single airbag 1.
During the actual use, through set up pull ring 5 on monomer gasbag 1, be convenient for realize fixed the connection of monomer gasbag 1.
As shown in fig. 4, in this embodiment, the position-limiting band 2 is an elastic band, and two ends of the position-limiting band 2 are respectively connected with a connecting hook 6.
In practical use, the two ends of the limiting belt 2 are respectively provided with the connecting hook 6, so that the limiting belt 2 is convenient to mount.
In this embodiment, the anchoring member 7 is connected to the single airbag 1 through the spacing band 2.
In the embodiment, as shown in fig. 5, one end of the anchoring member 7 is anchored on the inner wall of the roadway, and the other end of the anchoring member 7 is provided with a connecting ring 8 for connecting the spacing belt 2.
In actual use, when the single air bag 1 is connected with the anchoring piece 7, the pull rings 5 at two sides of the single air bag 1 are respectively fixed on the connecting rings 8 corresponding to the single air bag 1 through the limiting belts 2.
As shown in fig. 6, in this embodiment, the inflation device includes an inflation pipeline 9 and a high-pressure gas bottle 10, one end of the inflation pipeline 9 is connected to the inflation/deflation port 3, and the other end of the inflation pipeline 9 is connected to the high-pressure gas bottle 10.
In actual use, in order to ensure the inflation efficiency of the closed air bag, a plurality of high-pressure gas cylinders 10 can be connected to the inflation pipeline 9, and the closed air bag is inflated simultaneously, so that the inflation time is shortened.
In this embodiment, the gas charging pipeline 9 is provided with a gas pressure gauge 11 and an electromagnetic valve 12.
In actual use, when the pressure monitored by the gas pressure gauge 11 is lower than a set gas pressure threshold, the electromagnetic valve 12 is opened to supplement gas to the single air bag 1, and when the internal pressure of the single air bag 1 is increased to a set air bag maximum internal pressure threshold, the electromagnetic valve 12 is closed to suspend inflation.
In this embodiment, the single airbags 1 are provided with the adhesive strips 13, and two adjacent single airbags 1 are adhered together by the adhesive strips 13.
During actual use, the preferred two-way magic subsides that are of adhesion strip 13 adopt the hot melt method to paste on the surface of monomer gasbag 1 to arrange on monomer gasbag 1 surface according to the crisscross method, when monomer gasbag 1 extrudees each other in the tunnel after aerifing, adjacent monomer gasbag 1 through adhesion strip 13 mutual adhesion, the connection of adhesion strip 13 strengthens the effort between the adjacent monomer gasbag 1, strengthens airtight gasbag's bulk strength.
In this embodiment, the vent valves 4 on the single air bags 1, which are not connected with other single air bags 1, are all provided with blocking flanges.
During the actual use, carry out the shutoff through the shutoff ring flange with the breather valve 4 in monomer gasbag 1 outside, can avoid the gas leakage phenomenon to take place among the monomer gasbag 1 inflation process.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (9)

1. A flexible buffer quick sealing air bag for a coal mine underground cataclysm area is characterized in that: comprises a plurality of inflatable single air bags (1) which are extruded and compacted mutually, a plurality of single air bags (1) are arranged on the same section in a roadway, two adjacent single air bags (1) are fastened and connected through a limiting mechanism, the limiting mechanisms respectively comprise two limiting belts (2), the two limiting belts (2) in the limiting mechanisms are respectively arranged at the two sides of the single air bag (1), the single air bags (1) at the top of the roadway and the single air bags (1) at the two sides of the bottom of the roadway are fixedly connected with the inner wall of the roadway through anchoring parts (7), the inflatable tunnel is characterized in that an inflation and deflation port (3) is formed in the single air bag (1), the single air bag (1) and the single air bag (1) adjacent to the single air bag are connected through a vent valve (4), and an inflation device is connected to one single air bag (1) at the bottom of the tunnel.
2. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: the single air bag (1) is symmetrically provided with two pull rings (5) for connecting the limiting belt (2), and the two pull rings (5) are arranged in a central symmetry manner relative to the center of the single air bag (1).
3. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: the limiting belt (2) is an elastic belt, and two ends of the limiting belt (2) are respectively connected with a connecting hook (6).
4. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: the anchoring piece (7) is connected with the single air bag (1) through a limiting belt (2).
5. The flexible buffering quick-sealing air bag for the coal mine underground catastrophe area according to claim 4 is characterized in that: one end of the anchoring piece (7) is anchored on the inner wall of the roadway, and the other end of the anchoring piece (7) is provided with a connecting ring (8) for connecting the limiting belt (2).
6. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: the inflation device comprises an inflation pipeline (9) and a high-pressure gas bottle (10), one end of the inflation pipeline (9) is connected to the inflation and deflation port (3), and the other end of the inflation pipeline (9) is connected to the high-pressure gas bottle (10).
7. The flexible buffering quick-sealing air bag for the coal mine underground catastrophe area according to claim 6, which is characterized in that: and a gas pressure gauge (11) and an electromagnetic valve (12) are arranged on the gas charging pipeline (9).
8. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: the single air bags (1) are provided with adhesive strips (13), and the two close single air bags (1) are adhered into a whole through the adhesive strips (13).
9. The flexible buffer quick-sealing air bag for the coal mine underground catastrophe area according to claim 1 is characterized in that: and the vent valves (4) which are not connected with other monomer airbags (1) on the monomer airbags (1) are provided with blocking flange plates.
CN202022788254.8U 2020-11-26 2020-11-26 Flexible buffering quick-sealing air bag for coal mine underground catastrophe area Expired - Fee Related CN213775455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022788254.8U CN213775455U (en) 2020-11-26 2020-11-26 Flexible buffering quick-sealing air bag for coal mine underground catastrophe area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022788254.8U CN213775455U (en) 2020-11-26 2020-11-26 Flexible buffering quick-sealing air bag for coal mine underground catastrophe area

Publications (1)

Publication Number Publication Date
CN213775455U true CN213775455U (en) 2021-07-23

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ID=76892060

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN213775455U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210723

Termination date: 20211126

CF01 Termination of patent right due to non-payment of annual fee